CVE-2022-49716medium

irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.5epss 0.3%

exploitation probability

0.3%top 82% of all CVEs

observed exploitation

nono source reports it

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. When kcalloc fails, it missing of_node_put() and results in refcount leak. Fix this by goto out_put_node label.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/0b325d993995a321f6ab4e6c51f0504ec092bf5b https://git.kernel.org/stable/c/58e67c81e229351027d28c610638378606e33a08 https://git.kernel.org/stable/c/7c9dd9d23f26dabcfb14148b9acdfba540418b19 https://git.kernel.org/stable/c/c83c34c57798fc41faefcf078be78683db2f4beb https://git.kernel.org/stable/c/ec8401a429ffee34ccf38cebf3443f8d5ae6cb0d